Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6552881090

Certificate GIA 6552881090

Diamond specifications and retailer prices

From $12,970 NZD

$7,310 USD

As of November 1, 2026

Save $15,644 NZD (55%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $28,614 NZD at NZ Jewellers · As of October 27, 2026

View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552881090. Listed at 26 retailers as of October 27, 2026, with prices from $12,970 to $28,614, a $15,644 spread on the same certified stone. NZ Jewellers lists it at $28,614. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle41°

OriginNatural

Grading LabGIA

CertificateGIA 6552881090

Dimensions7.27 × 7.30 × 4.57 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6552881090

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: $16,854 NZD|Low: $12,472 NZD|High: $24,129 NZD|Avg: $16,877 NZD|+7.0%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

November 2, 2026

Retailer 14$13,396 NZD

Retailer 12$13,719 NZD

Retailer 15$14,239 NZD

Retailer 2$15,247 NZD

Retailer 10$15,803 NZD

Retailer 13$15,873 NZD

Retailer 1$16,854 NZD

Retailer 3$16,962 NZD

Retailer 5$16,962 NZD

Retailer 7$17,335 NZD

Retailer 6$17,530 NZD

Retailer 8$17,699 NZD

Retailer 4$18,836 NZD

Retailer 11$20,646 NZD

Retailer 9$23,874 NZD

42 data points across 15 retailers

26 retailers$12,970 NZD to $28,614 NZD

B+

Cheapest Retailer

$12,970 NZD

$7,310 USD

B+

Retailer 2

$13,361 NZD

A$11,585 AUD

View

B+

Retailer 3

$13,396 NZD

$7,550 USD

View

B+

Retailer 4

$13,719 NZD

$7,732 USD

View

Final sale: no returns

B+

Retailer 5

$13,775 NZD

$7,764 USD

View

B+

Retailer 6

$14,058 NZD

CA$11,004 CAD

View

Retailer 7

$14,239 NZD

$8,025 USD

View

Price last confirmed 5 days ago

Retailer 8

$14,306 NZD

$8,063 USD

View

Price last confirmed 8 days ago

Retailer 9

$15,247 NZD

$8,593 USD

View

Price last confirmed 8 days ago

Retailer 10

$15,499 NZD

$8,735 USD

View

Price last confirmed 7 days ago

Retailer 11

$15,738 NZD

$8,870 USD

View

Price last confirmed 8 days ago

Retailer 12

$15,803 NZD

A$13,703 AUD

View

Price last confirmed 9 days ago

Retailer 13

$15,873 NZD

$8,946 USD

View

B+

Retailer 14

$16,441 NZD

$9,266 USD

View

B+

Retailer 15

$16,854 NZD

£7,480 GBP

View

Retailer 16

$16,962 NZD

$9,560 USD

View

Price last confirmed 7 days ago

B+

Retailer 17

$16,962 NZD

$9,560 USD

View

B+

Retailer 18

$17,335 NZD

$9,770 USD

View

Retailer 19

$17,530 NZD

$9,880 USD

View

Price last confirmed 7 days ago

B+

Retailer 20

$17,699 NZD

€9,500 EUR

View

Retailer 21

$17,883 NZD

$10,079 USD

View

Retailer 22

$18,254 NZD

$10,288 USD

View

Retailer 23

$18,836 NZD

$10,616 USD

View

Price last confirmed 10 days ago

Retailer 24

$20,646 NZD

ZAR 187,985 ZAR

View

Price last confirmed 10 days ago

Retailer 25

$23,874 NZD

£10,595 GBP

View

Most Expensive

NZ Jewellers

4464d239-44b9-4c6f-8d44-4a71a19c56fa · Oct 27

$28,614 NZD

$16,127 USD

View

25 more retailers have this diamond

Prices start from $12,970 NZDSave up to $15,644 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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